28509439 (number)

28509439 is an odd 8-digits composite number following 28509438 and preceding 28509440. In scientific notation, it is written as 2.8509439 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 24412416 positive integers (up to 28509439) that are relatively prime to 28509439.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred nine thousand four hundred thirty-nine

Notation

Scientific notation 2.8509439 × 10^7
Engineering notation 2.8509439 × 10^6

Prime Factorization of 28509439

Prime Factorization 7 × 1913 × 2129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28509439
Product of the distinct prime numbers

The prime factorization of 28509439 is 7 × 1913 × 2129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28509439)

Multiplication

n×y
n×2 57018878
n×3 85528317
n×4 114037756
n×5 142547195

Division

n÷y
n÷2 14254719.5
n÷3 9503146.3333333
n÷3 7127359.75
n÷5 5701887.8

Exponentiation

ny
n2 812788112094721
n3 2.317213310169E+22
n4 6.606245151625E+29
n5 1.883403431693E+37

Nth Root

y√n
2√n 5339.4230961781
3√n 305.48945509125
4√n 73.07135619501
5√n 30.974031400956

Divisors of 28509439

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28509438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28509439 can be divided by 8 positive divisors. The sum of these divisors (counting 28509439) is 1, the average is 0.125.

Base conversion 28509439

Base System Value
2 Binary 1101100110000010011111111
3 Ternary 1222122102121011
4 Quaternary 1230300103333
5 Quinary 24244300224
6 Senary 2455020051
8 Octal 154602377
10 Decimal 28509439
12 Duodecimal 966a627
16 Hexadecimal 1b304ff
20 Vigesimal 8i3dbj
36 Base36 gz20v

Cryptographic Hash Functions

md5 a5cbb6929f37ec426c5d2a194f802bc3
sha1 fb0fdb6fe796e267594676e3a71c6b60148af164
sha256 a60fc567c50bd413475faa8effcd7be967f75a8c0cb3c905a16dec2a822f3100
sha512 2ed5661c92b85ac209c59f7706e40a5968c31aa78774a71f3ca441f837993254735ba21029ec8800390201d4377f31d3d419f57eb55fdcc3fb214d30e8e9d427
ripemd-160 1c3c62e835a97b4582b11c68608c9af2079cb588

28509439 as geometric shapes

Circle

Radius = n
Diameter 57018878
Circumference 179130088.24073
Area 2.5534491618819E+15

Sphere

Radius = n
Volume 9.7063204160364E+22
Surface area 1.0213796647528E+16
Circumference 179130088.24073

Square

Length = n
Perimeter 114037756
Area 812788112094721
Diagonal 40318435.289448

Cube

Length = n
Surface area 4876728672568326
Volume 2.317213310169E+22
Space diagonal 49379796.843286

Equilateral Triangle

Length = n
Perimeter 85528317
Area 3.5194757648401E+14
Altitude 24689898.421643

Triangular Pyramid

Length = n
Surface area 3.5194757648401E+14
Volume 2.730862075127E+21
Height 13439478.429816